Answer:
x=10
ST=10
TU=100
Step-by-step explanation:
2x-10 + 5x+50 = 110
2x+5x=110+10-50
7x=70
x=10
2(10)-10
20-10=10
5(10)+50
50+50=100
Answer:
y axis over x axis is the right answer
Answer:
D. 10.91 square centimeters
Step-by-step explanation:
Area of a sector of a circle =


where 
radius (r) = half of diameter = 10/2 = 5 cm
Area = 
= 10.91 
Step-by-step explanation:
This is what I know there are 54 students who learn salsa and 23 ballet left with 31 students (put that aside) then 15 who learned salsa instead of ballet. (31 - 15 = 16. Left with 16) but 10 who did not learn either ballet or salsa (16-10 = 6.)
Do u understand where I'm going.......Im starting to get confuse myself now
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Answer:
12.56 square cm
Step-by-step explanation:
Let A be the area of the sector of circle.
